著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) CRIGEN A. A.,Natural history of prostatic obstruction.,J R Coll Gen Pract,,,1969,18,,226-232,https://cir.nii.ac.jp/crid/1573950399313733504,